76347819 has 16 divisors (see below), whose sum is σ = 114231840. Its totient is φ = 50392800.

The previous prime is 76347811. The next prime is 76347847. The reversal of 76347819 is 91874367.

76347819 is a `hidden beast` number, since 7 + 634 + 7 + 8 + 1 + 9 = 666.

It is not a de Polignac number, because 76347819 - 2³ = 76347811 is a prime.

It is a super-2 number, since 2×76347819² = 11657978932113522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (76347811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11272 + ... + 16725.

It is an arithmetic number, because the mean of its divisors is an integer number (7139490).

Almost surely, 2^76347819 is an apocalyptic number.

76347819 is a deficient number, since it is larger than the sum of its proper divisors (37884021).

76347819 is a wasteful number, since it uses less digits than its factorization.

76347819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28107 (or 28101 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 76347819 is about 8737.7239027106. The cubic root of 76347819 is about 424.2275593330.

The spelling of 76347819 in words is "seventy-six million, three hundred forty-seven thousand, eight hundred nineteen".